---
- NONE
- USER
- CALLBACK_ERROR
- UNEXPECTED_STATE
- UNEXPECTED_DATA
- UNEXPECTED_EOF
- UNEXPECTED_CHARACTER
- UNEXPECTED_CONTENT_LENGTH
- UNEXPECTED_TRANSFER_ENCODING
- UNEXPECTED_CONTENT
- UNEXPECTED_TRAILERS
- INVALID_VERSION
- INVALID_STATUS
- INVALID_CONTENT_LENGTH
- INVALID_TRANSFER_ENCODING
- INVALID_CHUNK_SIZE
- MISSING_CONNECTION_UPGRADE
- UNSUPPORTED_HTTP_VERSION
